package day04.homework.extend;

import java.util.Scanner;

/*
    接收用户输入的年份year和月份month，计算该年该月的天数，并输出
 */
public class Two {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.println("输入年份：");
        int year = scan.nextInt();
        System.out.println("输入月份：");
        int month = scan.nextInt();
        int day = 0;
        switch (month) {
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12:
                day = 31;
                break;

            case 4:
            case 6:
            case 9:
            case 11:
                day = 30;
                break;

            case 2:
                if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {
                    day = 29;
                } else {
                    day = 28;
                }
                break;
            default:
                System.out.println("输入错误");
        }
        if (day!=0){
            System.out.println(year+"年"+month+"月是"+day+"天");
        }
    }
}
